diff --git a/src/freedreno/registers/adreno/a6xx.xml b/src/freedreno/registers/adreno/a6xx.xml
index fcdedc4020b..8728eb7ac10 100644
--- a/src/freedreno/registers/adreno/a6xx.xml
+++ b/src/freedreno/registers/adreno/a6xx.xml
@@ -2281,7 +2281,7 @@ to upconvert to 32b float internally?
 		<bitfield name="DITHER_MODE_MRT3" low="6"  high="7"  type="adreno_rb_dither_mode"/>
 		<bitfield name="DITHER_MODE_MRT4" low="8"  high="9"  type="adreno_rb_dither_mode"/>
 		<bitfield name="DITHER_MODE_MRT5" low="10" high="11" type="adreno_rb_dither_mode"/>
-		<bitfield name="DITHER_MODE_MRT6" low="12" high="12" type="adreno_rb_dither_mode"/>
+		<bitfield name="DITHER_MODE_MRT6" low="12" high="13" type="adreno_rb_dither_mode"/>
 		<bitfield name="DITHER_MODE_MRT7" low="14" high="15" type="adreno_rb_dither_mode"/>
 	</reg32>
 	<reg32 offset="0x880f" name="RB_SRGB_CNTL" usage="rp_blit">